US3450376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for rigid fastening of cargo to aircraft particularly to helicopter-crane for transporting this cargo
Assignee: Individual
•
Filing: 1965-10-18
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Granted: 1969-06-17
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Expires: 1985-10-18
Abstract
No abstract record available.
Inventors
- 👤 Nikolai Grigorievic Rusanovich
- 👤 Ivan Sergeevich Dmitriev
- 👤 Yakov Vasilievich Korobov
- 👤 Shmul Ovshievich Volfenzon
- 👤 Boris Jurievich Kostin
- 👤 Evgeny Bentsionovich Zaichik
- 👤 Vasily Semenovich Emelyanov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:44
CPC Classifications
B; B64; B64D; B64D1/00; B64D1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |